git remote set-url origin https://andrzejsydor:<TOKEN>>@github.com/andrzejsydor/devops.git
docker container run [OPTIONS] IMAGE [COMMAND] [ARG...]
https://docs.docker.com/engine/reference/commandline/container_run/
| cmd | |
|---|---|
--help |
|
--rm |
Automatically remove the container when it exits |
--detach , -d |
Run container in background and print container ID |
--interactive , -i |
Keep STDIN open even if not attached |
--tty , -t |
Allocate a pseudo-TTY |
--publish , -p |
Publish a container’s port(s) to the host |
--publish-all , -P |
Publish all exposed ports to random ports |
--volume , -v |
Bind mount a volume |
--name |
Assign a name to the container |
--mount |
Attach a filesystem mount to the container |
--network |
Connect a container to a network |
--restart |
Restart policy to apply when a container exits |
Use the -e, --env, and --env-file flags to set simple (non-array) environment variables in the container you’re running, or overwrite variables that are defined in the Dockerfile of the image you’re running.
docker container run --rm -dit -name myCont alpine
docker run -e MYVAR1 --env MYVAR2=foo --env-file ./env.list
Manage containers
docker container COMMAND
https://docs.docker.com/engine/reference/commandline/container/
| cmd | |
|---|---|
ls |
List containers |
inspect |
Display detailed information |
top |
display the running processes of a container |
restart |
restart one or more containers |
Example:
docker ls -a
docker ps --format 'table {{.ID}}\t{{.Image}}\t{{.Status}}'
Attach local standard input, output, and error streams to a running container
docker attach [OPTIONS] CONTAINER
https://docs.docker.com/engine/reference/commandline/attach/
Example:
docker attach <CONTAINER>
docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
https://docs.docker.com/engine/reference/commandline/exec/
Example:
docker exec -it <CONTAINER> sh
docker exec -it <CONTAINER> sh -c ls
List images
docker images [OPTIONS] [REPOSITORY[:TAG]]
https://docs.docker.com/engine/reference/commandline/images/
Example:
docker images --all
docker images --filter=reference='*bash*'
docker images image*
Manage images
docker image COMMAND
https://docs.docker.com/engine/reference/commandline/image/
| cmd |
|---|
ls |
pull |
push |
inspect |
import |
Example:
docker image inspect alpine
Fetch the logs of a container
docker logs [OPTIONS] CONTAINER
https://docs.docker.com/engine/reference/commandline/logs/
| CMD | Description |
|---|---|
--follow , -f |
Follow log output |
--since |
Show logs since timestamp (e.g. 2013-01-02T13:23:37) or relative (e.g. 42m for 42 minutes) |
--tail |
Number of lines to show from the end of the logs |
--timestamps , -t |
Show timestamps |
Example:
docker logs -f --until=2s
Create a new image from a container’s changes
docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
https://docs.docker.com/engine/reference/commandline/commit/
| CMD | Description |
|---|---|
--author , -a |
Author (e.g., “John Hannibal Smith [email protected]”) |
--change , -c |
Apply Dockerfile instruction to the created image |
--message , -m |
Commit message |
--pause , -p |
Pause container during commit |
Example:
docker commit -c "ENV PROFILE prod" -m 'production profile' <CONTAINER_ID> <IMAGE_ID>
https://docs.docker.com/storage/volumes/
Manage volumes
https://docs.docker.com/engine/reference/commandline/volume/
docker volume COMMAND COMMAND| cmd | |
|---|---|
-h |
List all Docker volume commands |
ls |
List current volumes |
create |
Create a volume |
rm |
Delete a volume |
inspect |
Get detailed about a volume |
prune |
Remove all unused local volumes |
https://docs.docker.com/engine/reference/commandline/run/#mount-volume--v---read-only
docker container run -v <SOURCE>:<TARGET> <IMAGE>
docker run --rm -v $(pwd)/a.txt:/home/a.txt alpine sh -c 'ls /home'docker container run --mount type=bind,source=<SOURCE>,target=<TARGET> <IMAGE>docker volume create <VOLUME_NAME>
docker run -v <VOLUME_NAME> <IMAGE>https://docs.docker.com/network/
Manage networks
https://docs.docker.com/engine/reference/commandline/network/
docker network COMMAND
| Command | Description |
|---|---|
| docker network connect | Connect a container to a network |
| docker network create | Create a network |
| docker network disconnect | Disconnect a container from a network |
| docker network inspect | Display detailed information on one or more networks |
| docker network ls | List networks |
| docker network prune | Remove all unused networks |
| docker network rm | Remove one or more networks |
https://docs.docker.com/engine/reference/commandline/run/#connect-a-container-to-a-network---network
When you start a container use the --network flag to connect it to a network.
docker network create <NETWORK>
docker network ls
docker run --network <NETWORK> <IMAGE>
docker network inspect <NETWORK>
docker rm <NETWORK>docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]
https://docs.docker.com/engine/reference/commandline/tag/
Example:
docker tag image:latest image:2
docker image build [OPTIONS] PATH | URL | -
https://docs.docker.com/engine/reference/commandline/image_build/
| cmd | ||
|---|---|---|
--tag , -t |
Name and optionally a tag in the ‘name:tag’ format | |
--file , -f |
Name of the Dockerfile (Default is ‘PATH/Dockerfile’) | |
--label |
Set metadata for an image | |
--rm |
true |
Remove intermediate containers after a successful build |
--force-rm |
Always remove intermediate containers | |
--ulimit |
Ulimit options |
docker image build -t <NAME>:<TAG> .
docker image build -t <NAME>:<TAG> -f Dockerfile .
docker image build -t : - < tar.gz
docker image build -t <name>:<tag>
docker image build --tag <name>:<tag>
git log -1 --pretty=%H
docker image tag <SOURCE_IMAGE>:<TAG> <TARGET_IMAGE>:<TAG>
The ENV instruction sets the environment variable to the value. This value will be in the environment for all subsequent instructions in the build stage and can be replaced inline in many as well.
ENV <key> <value>
ENV <key>=<value> ...
https://docs.docker.com/engine/reference/builder/#env
ENV myName John Doe
ENV myDog Rex The Dog
ENV myCat fluffy
The ARG instruction defines a variable that users can pass at build-time to the builder with the docker build command using the --build-arg = flag
ARG <name>[=<default value>]
https://docs.docker.com/engine/reference/builder/#arg
FROM busybox
USER ${user:-some_user}
ARG user
USER $user
docker network ls
docker network inspect <NAME>
docker network create <NAME>
docker network rm <NAME>
docker network prune
docker network connect <NETWORK> <CONTAINER>
docker container run --name <NAME> -it --network <NETWORK> <IMAGE> <CMD>
docker network disconnect <NETWORK> <CONTAINER>
docker container run -name <NAME> -it --network <NETWORK> --ip <IP> <IMAGE> <CMD>
Log in to a Docker registry
https://docs.docker.com/engine/reference/commandline/login/
docker login [OPTIONS] [SERVER]
Log out from a Docker registry
https://docs.docker.com/engine/reference/commandline/logout/
docker logout [SERVER]
docker container top <NAME>
docker container stats <NAME>
Manage Docker
https://docs.docker.com/engine/reference/commandline/system/
docker system COMMAND
| Command | Description |
|---|---|
| docker system df | Show docker disk usage |
| docker system events | Get real time events from the server |
| docker system info | Display system-wide information |
| docker system prune | Remove unused data |
docker system df
docker system df -v
docker system df --format 'table {{.Type}}\t{{.TotalCount}}\t{{.Size}}'
docker image prune
docker image prune -a
docker image ls | sort -k7 -h -r
docker volume create portainer_data
docker run -d -p 8000:8000 -p 9000:9000 --name=portainer --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer